Title (en)

Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition

Title (de)

Flüssigkristalline Verbindung mit Wasserstoff als terminale Gruppe, sie enthaltende Zusammensetzung, und diese Zusammensetzung enthaltendes flüssigkristallines Anzeigeelement

Title (fr)

Composé crystal liquide ayant un atome d'hydrogène comme groupe terminal, composition contenant le composé et dispositif d'affichage à crystaux liquides contenant la composition

Publication

EP 1352886 A1 20031015 (EN)

Application

EP 03007356 A 20030401

Priority

JP 2002106624 A 20020409

Abstract (en)

A compound represented by the following formula (1), a composition comprising the composition and an element comprising the composition: <CHEM> Ra is alkyl having 1 to 15 carbons and so forth; A<1>, A<2> and A<3> are 1,4-cyclohexylene and so forth; Z<1>, Z<2> and Z<3> are a single bond and so forth; n and m are 0 or 1; and phenyl having (F)p is phenyl, 2-fluorophenyl and so forth.

IPC 1-7

C07C 25/22; C07C 25/18; C07C 25/24; C07C 43/225; C09K 19/12; C09K 19/14; C09K 19/32; C09K 19/42; C09K 19/30

IPC 8 full level

C07C 17/26 (2006.01); C07C 17/266 (2006.01); C07C 17/35 (2006.01); C07C 17/354 (2006.01); C07C 25/18 (2006.01); C07C 25/22 (2006.01); C07C 25/24 (2006.01); C09K 19/12 (2006.01); C09K 19/14 (2006.01); C09K 19/30 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/42 (2006.01)

CPC (source: EP KR US)

C07C 17/263 (2013.01 - EP US); C07C 17/2632 (2013.01 - EP US); C07C 17/266 (2013.01 - EP US); C07C 17/35 (2013.01 - EP US); C07C 17/354 (2013.01 - EP US); C07C 25/18 (2013.01 - EP US); C07C 25/22 (2013.01 - EP US); C07C 25/24 (2013.01 - EP US); C09K 19/12 (2013.01 - EP US); C09K 19/14 (2013.01 - EP US); C09K 19/18 (2013.01 - KR); C09K 19/3001 (2013.01 - EP US); C09K 19/322 (2013.01 - EP US); C09K 19/3402 (2013.01 - EP US); C09K 19/42 (2013.01 - EP US); G02F 1/13 (2013.01 - KR); C09K 2019/124 (2013.01 - EP US); C09K 2019/3422 (2013.01 - EP US); C09K 2323/00 (2020.08 - EP US)

Citation (search report)

• [X] GB 1565235 A 19800416 - MITSUBISHI PETROCHEMICAL CO
• [Y] EP 0280902 A1 19880907 - CHISSO CORP [JP]
• [Y] EP 1149885 A1 20011031 - CHISSO CORP [JP], et al
• [DY] EP 0132377 A2 19850130 - SECR DEFENCE BRIT [GB], et al
• [DY] DE 4338267 A1 19950511 - HOECHST AG [DE]
• [DY] WO 9513999 A1 19950526 - HOECHST AG [DE], et al
• [DY] WO 9513257 A1 19950518 - MERCK PATENT GMBH [DE], et al
• [DY] EP 0602596 A1 19940622 - HOECHST AG [DE] & JP H05310618 A 19931122 - DAINIPPON INK & CHEMICALS
• [Y] CHEMICAL ABSTRACTS, vol. 120, no. 26, 27 June 1994, Columbus, Ohio, US; abstract no. 335174, OOSAWA, MASASHI ET AL: "Preparation of 4-(3,5-difluorophenyl)-4'-alkylbicyclohexyls and liquid-crystal compositions containing them" XP002248516
• [Y] PATENT ABSTRACTS OF JAPAN vol. 1995, no. 01 28 February 1995 (1995-02-28)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1352886 A1 20031015; EP 1352886 B1 20060322; DE 60304075 D1 20060511; DE 60304075 T2 20061214; KR 100982763 B1 20100916; KR 20030081037 A 20031017; TW 200304942 A 20031016; TW I306114 B 20090211; US 7125589 B1 20061024

DOCDB simple family (application)

EP 03007356 A 20030401; DE 60304075 T 20030401; KR 20030019292 A 20030327; TW 92106004 A 20030319; US 40910403 A 20030409